Solid-Polymer-Electrolyte-Based Atomic Switches
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The atomic switch operation is demonstrated using a solid polymer electrolyte (SPE) as a matrix material. Similar to inorganic electrolyte-based atomic switches, SPE-based atomic switches exhibit not only bi-stable resistive switching but also quantized conductance. The high ionic conductivity of SPE enables us to directly observe filament growth behaviors even in micrometer-scaled devices, and to reveal the kinetic factors determining the filament growth processes. We also succeed in fabricating devices on a plastic substrate using an ink-jet technique, and to demonstrate stable resistive switching under substrate bending. All the results indicate that the SPE-based atomic switch has great potential for the development flexible switch/memory devices as well as new types of atomic-scale devices with high-speed operation and ultra-low power consumption.
We would like to thank to our collaborators, T. Hasegawa, K. Terabe, J. P. Hill, K. Ariga, M. Muruganathan, and H. Mizuta.
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